icmp

package module

v1.0.1 Latest Latest Go to latest Published: Aug 4, 2020 License: MIT Imports: 10 Imported by: 0

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Repository

github.com/irai/icmp

Links

Open Source Insights

README ¶

icmp

Golang native icmp library

Documentation ¶

Index ¶

Constants
Variables
type Handler
- func New(nic string) (h *Handler, err error)
type RawEthPacket
type RawICMPPacket
type RawIPPacket

Constants ¶

View Source

const (
	// Ethernet packet types - ETHER_TYPE
	ETH_P_IP    = 0x800  // IP
	ETH_P_8021Q = 0x8100 // VLAN

	// ICMP Packet types
	ICMPTypeEchoReply   = 0
	ICMPTypeEchoRequest = 8
)

Variables ¶

View Source

var LogAll bool

LogAll packets turn on logging if desirable

Functions ¶

This section is empty.

Types ¶

type Handler ¶

type Handler struct {
	// contains filtered or unexported fields
}

Handler maintains the underlying socket connection

func New ¶

func New(nic string) (h *Handler, err error)

New start the ICMP listening service for the nic and return a handle to access ICMP functionality.

func (*Handler) Close ¶

func (h *Handler) Close()

Close the underlaying socket

func (*Handler) Ping ¶

func (h *Handler) Ping(src net.IP, dst net.IP, timeout time.Duration) (err error)

Ping send a ping request and wait for a reply

func (*Handler) SendICMPEcho ¶

func (h *Handler) SendICMPEcho(src net.IP, dst net.IP, id uint16, seq uint16) error

SendICMPEcho transmit an icmp echo request Do not wait for response

type RawEthPacket ¶

type RawEthPacket []byte

RawEthPacket provide access to ethernet fields without copying the structure see: https://medium.com/@mdlayher/network-protocol-breakdown-ethernet-and-go-de985d726cc1

func (RawEthPacket) EtherType ¶

func (p RawEthPacket) EtherType() uint16

func (RawEthPacket) IsValid ¶

func (p RawEthPacket) IsValid() bool

func (RawEthPacket) Payload ¶

func (p RawEthPacket) Payload() []byte

type RawICMPPacket ¶

type RawICMPPacket []byte

func (RawICMPPacket) Checksum ¶

func (p RawICMPPacket) Checksum() int

func (RawICMPPacket) Code ¶

func (p RawICMPPacket) Code() int

func (RawICMPPacket) EchoData ¶

func (p RawICMPPacket) EchoData() string

func (RawICMPPacket) EchoID ¶

func (p RawICMPPacket) EchoID() uint16

func (RawICMPPacket) EchoSeq ¶

func (p RawICMPPacket) EchoSeq() uint16

func (RawICMPPacket) Payload ¶

func (p RawICMPPacket) Payload() []byte

func (RawICMPPacket) RestOfHeader ¶

func (p RawICMPPacket) RestOfHeader() []byte

func (RawICMPPacket) String ¶

func (p RawICMPPacket) String() string

func (RawICMPPacket) Type ¶

func (p RawICMPPacket) Type() uint8

type RawIPPacket ¶

type RawIPPacket []byte

RawIPPacket provide access to IP fields without copying data. see: ipv4.ParseHeader in https://raw.githubusercontent.com/golang/net/master/ipv4/header.go

func (RawIPPacket) Checksum ¶

func (p RawIPPacket) Checksum() int

func (RawIPPacket) Dst ¶

func (p RawIPPacket) Dst() net.IP

func (RawIPPacket) ID ¶

func (p RawIPPacket) ID() int

func (RawIPPacket) IHL ¶

func (p RawIPPacket) IHL() int

func (RawIPPacket) IsValid ¶

func (p RawIPPacket) IsValid() bool

func (RawIPPacket) Payload ¶

func (p RawIPPacket) Payload() []byte

func (RawIPPacket) Protocol ¶

func (p RawIPPacket) Protocol() int

func (RawIPPacket) Src ¶

func (p RawIPPacket) Src() net.IP

func (RawIPPacket) String ¶

func (p RawIPPacket) String() string

func (RawIPPacket) TOS ¶

func (p RawIPPacket) TOS() int

func (RawIPPacket) TTL ¶

func (p RawIPPacket) TTL() int

func (RawIPPacket) TotalLen ¶

func (p RawIPPacket) TotalLen() int

func (RawIPPacket) Version ¶

func (p RawIPPacket) Version() int

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
cmd
ping

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